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探索临床上对咳发作有意义的定义
Kimberley J Holt1,2, Rachel J Dockry1,2, Kevin McGuinness1,2
1Division of Infection, Immunity and Respiratory Medicine, University of Manchester and Manchester Academic Health Science Centre, Manchester, UK.
ERJ open research
|December 3, 2024
概括
使用短时间间隔 (≤3秒) 定义咳发作并排除单次咳,可以改善耐性慢性咳 (RCC) 严重性的分析. 这种方法更好地捕捉了咳聚类及其对患者的影响.
科学领域:
- 肺病学和呼吸系统医学
- 生物声音的声学分析
- 临床试验方法论 临床试验方法论
背景情况:
- 目前临床试验中的咳频率测量通常使用每小时咳的声音,忽略了咳聚集成发作.
- 咳发作显著影响感知严重程度和并发症,但没有标准化的定义.
- 耐久性慢性咳 (RCC) 患者数据对于了解咳动态至关重要.
研究的目的:
- 调查不同定义的咳发作如何影响耐火性慢性咳 (RCC) 中产生的参数.
- 探索不同咳发作定义,报告的咳严重程度和人口统计学因素 (年龄,性别) 之间的关系.
- 在临床研究中建立一种更精确的分析咳发作方法.
主要方法:
- 对91名RCC患者咳严重程度的24小时声学录音和视觉模拟尺度的分析.
- 开发一种定制的算法,以根据爆炸性咳声音之间的间隔 (≤0.5秒至≤10秒的增量) 来定义咳发作.
- 计算参数,包括发作次数,中位数/最大发作时间和总发作时间.
主要成果:
- 咳间隔>3秒对咳发作参数的影响最小.
- 咳严重程度和发作参数之间的相关性很弱,但当单次咳被排除在外时,它得到了加强.
- 没有咳的时间和咳的总时间对咳的严重性比平均咳时间更有影响.
结论:
- 支持使用≤3秒的咳间隔的咳发作定义.
- 从分析中排除单个咳,可以更有意义地了解咳症状的特征.
- 这些精细的定义增强了对耐性慢性咳患者咳严重程度的理解.
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